79924806158 has 4 divisors (see below), whose sum is σ = 119887209240. Its totient is φ = 39962403078.

The previous prime is 79924806151. The next prime is 79924806167. The reversal of 79924806158 is 85160842997.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 79924806097 and 79924806106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79924806151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19981201538 + ... + 19981201541.

It is an arithmetic number, because the mean of its divisors is an integer number (29971802310).

Almost surely, 2^79924806158 is an apocalyptic number.

79924806158 is a deficient number, since it is larger than the sum of its proper divisors (39962403082).

79924806158 is a wasteful number, since it uses less digits than its factorization.

79924806158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39962403081.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 79924806158 in words is "seventy-nine billion, nine hundred twenty-four million, eight hundred six thousand, one hundred fifty-eight".